US4210641A
Expired / Lapsed
US
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Novel polysaccharide extracts and method of use
Assignee: Sanofi Aventis France
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Filing: 1978-10-20
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Granted: 1980-07-01
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Expires: 1998-10-20
Abstract
Abstract Novel polysaccharide extracts of microbial bodies of Haemophilus influenza having an apparent molecular weight greater than 200,000 and constituted principally of galactose, glucose and mannose having remarkable antigenic and immunostimulating activity with very good tolerance in warm-blooded animals and a process for their preparation.
Inventors
- 👤 Claudine Brossard
- 👤 Martine Henry
- 👤 Denis Raichvarg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/02; A61K39/102; A61K31/00; A61K31/70; A61K31/715; A61P; A61P31/00; A61P31/12; A61P31/14; A61P31/16; A61P37/00; A61P37/02; A61P37/04; C; C08; C08B; C08B37/00; C08B37/0003; C08B37/006; C12; C12N; C12N1/00; C12N1/20; C12N1/205; C12P; C12P19/00; C12P19/04; C12P21/00; C12P21/005; C12R; C12R2001/00; C12R2001/01; C12R2001/21; Y; Y10; Y10S; Y10S424/00; Y10S424/831
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
31 words
Polysaccharide extracts of microbial bodies of Haemophilus influenza having an apparent molecular weight greater than 200,000 and constituted principally of galactose, glucose and mannose and containing a small amount of osamines.
Claim 2
Dependent Claim
31 words
Polysaccharide extracts of microbial bodies of Haemophilus influenza having an apparent molecular weight greater than 200,000 and constituted principally of galactose, glucose and mannose and containing a small amount of osamines.
Claim 3
Dependent Claim
11 words
A polysaccharide extracts of claim 1 wherein the osamine is glucosamine.
Claim 4
Dependent Claim
27 words
A polysaccharide extract of claim 1 wherein the Haemophilus influenza strain is selected from the group consisting of Pasteur Institute of Paris No. 52,151 and No. 5,481.
Claim 5
Dependent Claim
12 words
A polysaccharide extract of claim 3 wherein the strain is No. 52,151.
Claim 6
Dependent Claim
15 words
An antigenic and immunostimulatingly effective amount of a polysaccharide of claim 1 and an excipient.
Claim 7
Dependent Claim
10 words
A composition of claim 5 wherein the osamine is glucosamine.
Claim 8
Dependent Claim
26 words
A composition of claim 5 wherein the Haemophilus influenza strain is selected from the group consisting of Pasteur Institute of Paris No. 52,151 and No. 5,481.
Claim 9
Dependent Claim
11 words
A composition of claim 5 wherein the strain is No. 52,151.
Claim 10
Dependent Claim
35 words
A method of treating or immunizing against Haemophilus influenza infections in warm-blooded animals comprising administering orally, rectally, parenterally or topically to warm-blooded animals an antigenically and immunostimulatingly effective amount of a polysaccharide of claim 1.
Claim 11
Dependent Claim
10 words
A method of claim 9 wherein the osamine is glucosamine.
Claim 12
Dependent Claim
26 words
A method of claim 9 wherein the Haemophilus influenza strain is selected from the group consisting of Pasteur Institute of Paris No. 52,151 and No. 5,481.
Claim 13
Dependent Claim
11 words
A method of claim 9 wherein the strain is No. 52,151.
References Cited (Backward Citations)
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Cited
US3314801A
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US3578655A
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US4003792A
Cited
US3711462A
Cited
US3923782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-07-01 | 1983-12-31 | 1984-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-01 | 1987-12-31 | 1988-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-01 | 1991-12-31 | 1992-07-01 | $7700.00 | Window Closed / Lapsed |